[16.0][IMP]fastapi: enable multi-slash routes

[PicchiSeba]

This is a Work In Progress PR, which attempts to address this issue https://github.com/OCA/rest-framework/issues/446. Any suggestion is welcome

EDIT: depends on https://github.com/OCA/rest-framework/pull/524

[OCA-git-bot]

Hi @lmignon, some modules you are maintaining are being modified, check this out!

[PicchiSeba]

The error seems unrelated to this PR

AttributeError: module 'marshmallow' has no attribute 'pprint'

[lmignon]

once https://github.com/OCA/rest-framework/pull/527 is merged, a rebase will solve the CI

[PicchiSeba]

Thank you for this great improvement @PicchiSeba

LGTM (Code review, functionnal tests)

Thank you for your support and technical expertize!

[lmignon]

ping @AnizR @sbidoul

[PicchiSeba]

I accidentally squashed the new test into the merge commit, it should be good now

[PicchiSeba]

@lmignon I removed the useless test class

[OCA-git-bot]

This PR has the approved label and has been created more than 5 days ago. It should therefore be ready to merge by a maintainer (or a PSC member if the concerned addon has no declared maintainer). 🤖

[lmignon]

/ocabot merge minor

[OCA-git-bot]

This PR looks fantastic, let's merge it! Prepared branch 16.0-ocabot-merge-pr-515-by-lmignon-bump-minor, awaiting test results.

[OCA-git-bot]

Congratulations, your PR was merged at 6f480bf1de5160e4d5881388d1672f9d664a7fa1. Thanks a lot for contributing to OCA. ❤️